● Programmable Peripheral Int.: 82C55A

● Channels: 24 or 48, pulled up to 5V via 10K

● Buffered Channels: 24 or 48 bits (ports A, B, C-High and C-Low)

● Sink & Source Current: 64mA & 32mA

● Modes supported: Mode 0

● Change of State Detection: 48 Inputs (both 8255 groups, all 8 ports)

● Throughput: Up to 1 MByte/sec

● Power Output: Resettable fused +5V @ 500mA per 50 pin connector

● Peripheral Interface Timer: Type 82C54

● Counters: 3 x 16-Bit down counters

● Clock Frequency: 1 MHz Time Base, available to the user

● Software Support: Event Counter, Frequency Output, Frequency and Pulse Measurement

● Max Input Frequency: 10MHz

● Signal Type: TTL

● Power Required: +5V @50mA Typical

● Operating temperature: 0°C to +70°C, optionally -40°C to +85°C available

● Storage temperature: -50° to +120°C

● Interrupt Requests: Eleven channels, IRQ 3-7, 9-12, 14, 15

● Interrupt Status Registers: Two; One 8bit for COS, One single bit for C/T

● This product is designed to be in full compliance with CE requirements.